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4015 FLOWSTONE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,471 sqftBuilt 2017

Property at a Glance

This home is estimated between $331,681 and $509,597, with a best estimate of $495,486. That places the property below the G799514C - MAYFIELD RANCH median of $523,371, in a neighborhood that declined 9.3% over the past year.

Estimated Value Range

$331,681 $509,597
Best Estimate
$495,486
WCAD Value
$528,501
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in G799514C - MAYFIELD RANCH, this home's estimated market value is between $331,681 and $509,597. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4019 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,829 sqft Built 2017
Raw Value $411,040
Adjusted Value $331,681

Adjusted -$79,359 for 358 sqft less living space. Net adjustment: -$79,359.

4023 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,508 sqft Built 2016
Raw Value $515,973
Adjusted Value $509,597

Adjusted -$8,202 for 37 sqft less living space and +$1,826 for being newer. Net adjustment: -$6,376.

4014 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,535 sqft Built 2016
Raw Value $513,889
Adjusted Value $501,528

Adjusted -$14,187 for 64 sqft less living space and +$1,826 for being newer. Net adjustment: -$12,361.

4027 FLOWSTONE LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,916 sqft Built 2017
Raw Value $539,044
Adjusted Value $440,399

Adjusted -$98,645 for 445 sqft less living space. Net adjustment: -$98,645.

4032 FLOWSTONE LN, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 3 bath 1,535 sqft Built 2016
Raw Value $507,847
Adjusted Value $495,486

Adjusted -$14,187 for 64 sqft less living space and +$1,826 for being newer. Net adjustment: -$12,361.

The Neighborhood

This home is in line with the G799514C - MAYFIELD RANCH median of $523,371. Note that values in this subdivision declined 9.3% over the past year.

G799514C - MAYFIELD RANCH

typical
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$528,501
Median
$523,371

This home is +1.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,920 across all districts. With a homestead exemption claimed, that drops to $9,352 — saving $1,568 per year. That's $779 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Georgetown ISDSchool1.0506%$5,552
Highlands at Mayfield Ranch MUDMUD0.4850%$2,563
Williamson CountyCounty0.3694%$1,953
Williamson County ESD #9 - Round RockESD0.0999%$528
Williamson County FM/RdCounty0.0443%$234
Upper Brushy Creek WCIDWater0.0170%$90
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$10,920

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $495,486 would pay approximately $3,093 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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